Core Bits For Concrete - X300 - Concrete

Designed for HVAC installers drilling refrigerant line penetrations through poured concrete walls, the Diamond Vantage X300 core bit handles the demands of professional concrete drilling. This 1-3/4 inch diameter bit features a .125-inch segment height and 1 1/4-7 threaded arbor connection for secure mounting on standard core drill rigs. The X300 series delivers consistent performance in cured concrete applications where clean, accurate holes matter. The segment design provides adequate cooling and debris clearance during operation. Suitable for both wet and dry drilling methods depending on jobsite conditions. Built for mechanical contractors, plumbers, and electricians who need reliable penetration drilling in concrete structures.